const _Page = require("../../__antmove/component/componentClass.js")("Page");
import * as echarts from "../../ec-canvas/echarts";
const app = getApp();

function initChart(canvas, width, height) {
    const chart = echarts.init(canvas, null, {
        width: width,
        height: height
    });
    canvas.setChart(chart);
    var option = {
        color: [
            "#37A2DA",
            "#32C5E9",
            "#67E0E3",
            "#91F2DE",
            "#FFDB5C",
            "#FF9F7F"
        ],
        title: {
            text: "Graph 简单示例"
        },
        tooltip: {},
        animationDurationUpdate: 1500,
        animationEasingUpdate: "quinticInOut",
        series: [
            {
                type: "graph",
                layout: "none",
                symbolSize: 50,
                roam: true,
                label: {
                    normal: {
                        show: true
                    }
                },
                // edgeSymbol: ['circle', 'arrow'],
                // edgeSymbolSize: [4, 10],
                edgeLabel: {
                    normal: {
                        textStyle: {
                            fontSize: 20
                        }
                    }
                },
                data: [
                    {
                        name: "节点1",
                        x: 300,
                        y: 300,
                        itemStyle: {
                            color: "#37A2DA"
                        }
                    },
                    {
                        name: "节点2",
                        x: 800,
                        y: 300,
                        itemStyle: {
                            color: "#32C5E9"
                        }
                    },
                    {
                        name: "节点3",
                        x: 550,
                        y: 100,
                        itemStyle: {
                            color: "#9FE6B8"
                        }
                    },
                    {
                        name: "节点4",
                        x: 550,
                        y: 500,
                        itemStyle: {
                            color: "#FF9F7F"
                        }
                    }
                ],
                // links: [],
                links: [
                    {
                        source: 0,
                        target: 1,
                        symbolSize: [5, 20],
                        label: {
                            normal: {
                                show: true
                            }
                        },
                        lineStyle: {
                            normal: {
                                width: 4,
                                curveness: 0.2
                            }
                        }
                    },
                    {
                        source: "节点2",
                        target: "节点1",
                        label: {
                            normal: {
                                show: true
                            }
                        },
                        lineStyle: {
                            normal: {
                                curveness: 0.2
                            }
                        }
                    },
                    {
                        source: "节点1",
                        target: "节点3"
                    },
                    {
                        source: "节点2",
                        target: "节点3"
                    },
                    {
                        source: "节点2",
                        target: "节点4"
                    },
                    {
                        source: "节点1",
                        target: "节点4"
                    }
                ],
                lineStyle: {
                    normal: {
                        opacity: 0.9,
                        width: 2,
                        curveness: 0
                    }
                }
            }
        ]
    };
    chart.setOption(option);
    return chart;
}

_Page({
    onShareAppMessage: function(res) {
        return {
            title: "ECharts 可以在微信小程序中使用啦！",
            path: "/pages/index/index",
            success: function() {},
            fail: function() {}
        };
    },
    data: {
        ec: {
            onInit: initChart
        }
    },

    onReady() {}
});
